← on nowLGR-080 · v0.1.0 · model · count the smoke: the numbers
the smoke · where it went
micrograms of smoke in each cubic metre of air, over a year. london, 1890: about 500. london now: about 10. beijing, 2013: about 100. beijing now: about 35. delhi now: about 100. lahore now: about 100.
method annual mean PM2.5 (or smoke) in µg/m³ for named cities and years.
live. this is the channel itself. embed it anywhere:
<iframe src="https://thetoll.earth/?channel=the%20smoke" width="100%" height="520" style="border:1px solid #D9DDDB" title="the toll · the smoke"></iframe>
or the whole broadcast, every channel, the same for everyone:
<iframe src="https://thetoll.earth/?embed=1" width="100%" height="520" style="border:1px solid #D9DDDB" title="the toll · on now, everywhere"></iframe>
how this number is built
- method
- annual mean PM2.5 (or smoke) in µg/m³ for named cities and years.
- range
- ±20%
- confidence
- count
- weakness
- London 1890 is a reconstruction (Fouquet).
- becomes a feed
- OpenAQ
- dispute
- dispute LGR-080 · corrections are credited
- data
- channels.json (sign-in) · full entry · CC BY 4.0